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Polar - Model PRG -Grid-Based Ballasted Flat Roof System
Our grid-based modular racking solution, maximizes load sharing within each interconnected solar array, which reduces the number of ballast stones and the number of locations that stones are required. The lightweight, self spacing, interconnect design also works very well on anchored, or hybrid (ballast + anchor) systems, where you will require far fewer anchors on a PRG system than with other systems. Our system is designed to distribute loads evenly, thereby minimizing point loading. The PRG is ideal for flat roofs of all types.
PRG – the answer that system owners, project engineers and installers have been searching for. As the most modular solution on the market, it is quick to assemble and competitively-priced. Its grid-based design and integrated wind deflector maximizes load distribution, making the PRG the lightest system with the lowest ballast requirements. The PRG is UL2703-certified and Class A fire tested for Type 1 and 2 modules.
Ballast located around perimeter of each array allows for the lowest ballast weight in the industry.
Superior bonding solutions provides one point of grounding per sub array.
Clamping modules in green zones maximizes health of module over lifetime of the project.
- Green zone clamping
- Modular design
- Low-ballast and lightweight
- Fewer ballast blocks = Significant labor savings
- Multiple tilt options – 5, 10, and 15 degrees
- Third-party product warranty protection